22011200122000 has 80 divisors (see below), whose sum is σ = 53232738279552. Its totient is φ = 8802882633600.

The previous prime is 22011200121979. The next prime is 22011200122049. The reversal of 22011200122000 is 22100211022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10058379 + ... + 12049621.

Almost surely, 2^{22011200122000} is an apocalyptic number.

22011200122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011200122000 is an abundant number, since it is smaller than the sum of its proper divisors (31221538157552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22011200122000 is a wasteful number, since it uses less digits than its factorization.

22011200122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996793 (or 1996777 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22011200122000 its reverse (22100211022), we get a palindrome (22033300333022).

The spelling of 22011200122000 in words is "twenty-two trillion, eleven billion, two hundred million, one hundred twenty-two thousand".